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2732 Witt (1926 FG)
Classification: Main-belt Asteroid          SPK-ID: 2002732
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02355445764409358 3.7696e-08  
a 2.759035986580291 1.2915e-08 au
q 2.694048390295855 1.0531e-07 au
i 6.496906335540095 4.2674e-06 deg
node 144.9485480294303 3.7436e-05 deg
peri 281.2370233469864 0.00010342 deg
M 295.7643752046628 9.8035e-05 deg
tp 2459299.181226773597
(2021-Mar-25.68122677)
0.0004563 TDB
period 1673.919137255748
4.58
1.1753e-05
3.218e-08
d
yr
n .2150641521371159 1.51e-09 deg/d
Q 2.824023582864726 1.3219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2348  
   data-arc span      34235 days (93.73 yr)  
   first obs. used      1926-03-18  
   last obs. used      2019-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47518  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:29:26  

Additional Information
 Earth MOID = 1.71701 au 
 Jupiter MOID = 2.23225 au 
 T_jup = 3.333 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.9   n/a MPO492782  
diameter diameter 11.001 km 0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.622 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.305   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B A   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2732 Witt (1926 FG)          Discovered 1926-Mar-19 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1926 FG = 1935 DF = 1965 UP1 = 1969 RD = 1978 PQ1 = 1979 YL6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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